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Finding the Fourth Proportional to 219,164.08, 302,445.80 and 118,562

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Solution

The fourth proportional to 219,164.08, 302,445.80 and 118,562 is: 163,615.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    219,164.08 : 302,445.80 = 118,562 : x
  2. Step 2: Convert to fraction form
    219,164.08/302,445.80 = 118,562/x
  3. Step 3: Cross multiply
    219,164.08x = 302,445.80 × 118,562
  4. Step 4: Simplify right side
    219,164.08x = 35,858,578,939.60
  5. Step 5: Solve for x
    x = 35,858,578,939.60/219,164.08
  6. Step 6: Final answer
    x = 163,615.22

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.